York ZT SERIES - Page 103

5167821-YTG-K-1118
Johnson Controls Ducted Systems 103
Outdoor sound power levels ZT037-150
Size (tons) Model
Sound rating
1
dB (A)
1. Rated in accordance with AHRI 270 standard.
Octave band centerline frequency (Hz)
63 125 250 500 1000 2000 4000 8000
037
(3)
ZT 75 78.5 78.5 74.0 72.0 68.5 65.0 60.5 53.0
049
(4)
ZT 75 83.0 78.5 74.5 72.0 69.5 63.0 58.0 55.5
061
(5)
ZT 75 80.0 78.0 74.5 72.5 69.0 63.0 57.5 52.0
078
(6.5)
ZT 84
86
85 83 82 79 72 67 60
090
(7.5)
ZT 85
83
84 85 84 81 75 70 67
102
(8.5)
ZT 84
85
87 84 82 79 73 68 61
120
(10)
ZT 82
83
82 82 80 77 72 67 62
150
(12.5)
ZT 83
92
84 83 82 78 72 68 63